The National Complementary Food Programs have been one of the stratregies applied for preventing the protein-energy undernutrition and some specific nutrient deficiencies, during the last decades in Chile. To provide a powdered cow's milk to the underprivileged families has been one targets for the first years of life, which includes the fortification with iron, zinc, copper and vitamin C. The evident improvement in recent years of nutritional markers (prevalence of protein- malnutrition, deficiencies of Fe, Zn and Cu) requires to reassess the Programs. Some possible ways for improving the quality of milk to be provided are discussed, on the basis of avoiding the interference of exclusive breast milk.